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Scrum for Team Foundation Server 2010

- by Martin Hinshelwood

I will be presenting a session on “Scrum for TFS2010” not once, but twice! If you are going to be at the Aberdeen Partner Group meeting on 27th April, or DDD Scotland on 8th May then you may be able to catch my session. Credit: I want to give special thanks to Aaron Bjork from Microsoft who provided me with most of my material He is a Scrum and Power Point genius. Updated 9th May 2010 – I have now presented at both of these sessions and posted about it. Scrum for Team Foundation Server 2010 Synopsis Visual Studio ALM (formerly Visual Studio Team System (VSTS)) and Team Foundation Server (TFS) are the cornerstones of development on the Microsoft .NET platform. These are the best tools for a team to have successful projects and for the developers to have a focused and smooth software development process. For TFS 2010 Microsoft is heavily investing in Scrum and has already started moving some teams across to using it. Martin will not be going in depth with Scrum but you can find out more about Scrum by reading the Scrum Guide and you can even asses your Scrum knowledge by having a go at the Scrum Open Assessment. You can also read SSW’s Rules to Better Scrum using TFS which have been developed during our own Scrum implementations. Come and see Martin Hinshelwood, Visual Studio ALM MVP and Solution Architect from SSW show you: How to successfully gather requirements with User stories How to plan a project using TFS 2010 and Scrum How to work with a product backlog in TFS 2010 The right way to plan a sprint with TFS 2010 Tracking your progress The right way to use work items What you can use from the built in reporting as well as the Project portals available on from the SharePoint dashboard The important reports to give your Product Owner / Project Manager Walk away knowing how to see the project health and progress. Visual Studio ALM is designed to help address many of these traditional problems faced by teams. It does so by providing a set of integrated tools to help teams improve their software development activities and to help managers better support the software development processes. During this session we will cover the lifecycle of creating work items and how this fits into Scrum using Visual Studio ALM and Team Foundation Server. If you want to know more about how to do Scrum with TFS then there is a new course that has been created in collaboration with Microsoft and Scrum.org that is going to be the official course for working with TFS 2010. SSW has Professional Scrum Developer Trainers who specialise in training your developers in implementing Scrum with Microsoft's Visual Studio ALM tools. Ken Schwaber and and Sam Guckenheimer: Professional Scrum Development Technorati Tags: Scrum,VS ALM,VS 2010,TFS 2010

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New Web Comic: Code Monkey Kung Fu

- by Dane Morgridge

It’s been something I’ve wanted to do for quite some time and decided it was finally time. Yesterday, I launched a new web comic “Code Monkey Kung Fu”. After being a programer for more than ten years, I’ve come across quite a few hilarious situations and will be drawing on them for inspiration. I also have a four kids, so they will probably produce a lot as well. My plan is to release on Tuesdays with additional comics mixed in on occasion. I hope you enjoy! http://www.codemonkeykungfu.com

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Microsoft Test Manager error in displaying test steps caused by malware

- by terje

Sometimes the tool is blamed for errors which are not the fault of the tool – this is one such story. It was however, not so easy to get to the bottom of it, so I hope sharing this story can help some others. One of our test developers started to get this message inside the test steps part of a test case in the MTM. saying “Could not load file or assembly ‘0 bytes from System, Version=4.0.0.0,……..” The same error came up inside Visual Studio when we opened a test case there. Then we noted a similar error on another piece of software – this error: A System.BadImageFormatException, and same message as above, but just for framework 2.0. We found this description which pointed to a malware problem (See bottom of that post), that is a fake anti-spyware program called “Additional Guard”. We checked the computer in question using Malwarebytes Anti-Malware tool. It found and cleaned out 753 registry keys!! After this cleanup operation the error was gone. This is a great tool ! The “Additional Guard” program had been inadvertently installed, and then uninstalled afterwards, but the corrupted keys were of course not removed. We also noted that this computer had full corporate virus scanning and malware protection, but still this nasty little thing still slipped through. Technorati Tags: Malware,BadImageFormatException,Microsoft Test Manager,Malwarebytes

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HR According to Batman

- by D'Arcy Lussier

Any idea who that guy is running alongside the Caped Crusader? That’s Nightwing, but you may know him as Robin…well, the first Robin anyway. There were actually like 5 Robin’s according to Wikipedia: Dick Grayson, the original, who’s parents were circus performers killed by a gangster. Jason Todd, who was caught trying to steal tires off of the Batmobile. Tim Drake, who saw Dick’s parents die and figured out who Batman and Robin were. and a few others that get into recent time travel/altered reality storylines. What does this have to do with HR? Well, it somewhat ties in with an article by Alex Papadimoulis from 2008. In the article he talks about the “Cravath System”. The Craveth system was developed by a law firm called Cravath, Swaine & Moore back in the 19th century. In a nutshell, they believed in hiring the best and brightest straight out of school. These aspiring lawyers would then begin a fight for survival in the firm, with the strong surviving. In what’s termed the “Up and Out” rule, employees needed to be promoted within 3 years or leave the company. They should achieve partner within 7 – 8 years and no later than 10 after initially coming on board (read all about the system on Wikipedia here). Back to Alex’s article, he quotes from a book published in 1947 about the lawfirm: Under the “Cravath system” of taking a substantial number of men annually and keeping a current constantly moving up in the office, and its philosophy of tenure, men are constantly leaving… it is often difficult to keep the best men long enough to determine whether they shall be made partners, for Cravath-trained men are always in demand, usually at premium salaries. And so we see a pattern forming here: 1. Hire a whole whack of smart college graduates 2. Put them to work 3. The ones that stick around should move up the ladder. The ones that don’t stick around served the company well and left to expound the quality of the Cravath firm. Those that didn’t fall into either of those categories were just let go. There’s some interesting undercurrents to these ideas. If you stick around, you better keep your feet moving! I was at a Microsoft shindig a few months back, and was talking to a Microsoft employee. He shared that at MS you have 5 years to achieve a “senior” position within the company. Once you hit that mark, you can stay there for the rest of your career (he told about a guy who’s a “senior” developer and has been for the last 20+ years working on audio drivers for Windows), but you *must* hit that mark within the timeframe. What we see with Microsoft is Cravath’s system in action, whether intentional or not: bring in smart young people and see which ones stick. You need to give people something to work towards. Saying “You must reach this level or else!” is one way to look at it. The other way is to see achieving a higher rank in the organization as something for ambitious employees to reach towards. It’s important for an organization to always have the next generation of executives waiting in the wings, and unless you’re encouraging that early on you may find yourself in a position of needing to fill positions that nobody has been working towards. Now, you might suggest that this isn’t that big of a deal because you could just hire someone from outside the organization, but the Cravath system holds to the tenet of promoting internally; develop your own talent, since your business is the best place for the future leadership to learn teh business from. It’s OK for people to quit. Alex’s article really drives this point home, but its worth noting here also: its OK for your people to quit. In fact its inevitable…and more inevitable that it’ll be good people that leave. Some will stay and work towards the internal awards of promotion, but a number will get experience, serve the organization well, and then move on to something else. This should be expected and treated as a natural business occurrence. The idea of an alumni of an organization begins to come into play here: “That guy used to work for <insert company here>”. There’s a benefit in that: those best and brightest will be drawn to your organization and your reputation will permeate your market through former staff that are sought after because of how well you nurtured them. The Batman Hook All of this brings us back to Batman and his HR practice: when Dick decided he’d had enough of the Robin schtick, he quit and became his own…but he was always associated with Batman and people understood where his training had come from. To the Dark Knight’s credit, he continued training partners under the Robin brand. Luckily he didn’t have to worry about firing any of them (the ship sort of sails when you reveal a secret identity), although there was that unfortunate “quitting” of the second Robin when the Joker blew him up…but regardless, we see the Cravath system at work: bring in talent, expect great things, and be ok with whatever they decide for their careers. It’s an interesting way to approach HR, and luckily for us our business isn’t as dangerous or over-the-top as the caped crusader’s.

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10 steps to enable ‘Anonymous Access’ for your SharePoint 2010 site

- by KunaalKapoor

What’s Anonymous Access? Anonymous access to your SharePoint site enables all visitors to view your SharePoint site anonymously without having to log in. With this blog I’d like to go through an easy step wise procedure to enable/set up anonymous access. Before you actually enable anonymous access on the site, you’ll have to change some settings at the web app level. So let’s start with that: Prerequisite(s): 1. A hosted SharePoint 2010 farm/server. 2. An existing SharePoint site. I just thought I’d mention the above pre-reqs, since the steps mentioned below would’nt be valid or a different type of a site. Step 1: In Central Administration, under Application Management, click on the Manage web applications. Step 2: Now select the site you want to enable anonymous access and click on the Authentication Providers icon. Step 3: On the modal window click on the Default zone. Step 4: Now under the Edit Authentication section, check Enable anonymous access and click Save. This is basically to make the Anonymous Access authentication mechanism available at the web app level @ IIS. Now, web application will allow anonymous access to be set. 5. Going back to Web Application Management click on the Anonymous Policy icon. Step 6: Also before we proceed any further, under the Anonymous Access Restrictions (@ web app mgmt.) select your Zone and set the Permissions to None – No policy and click Save. Step 7: Now lets navigate to your top level site collection for the web application. Click the Site Actions > Site Settings. Under Users and Permissions click Site permissions. Step 8: Under Users and Permissions, click on Site Permissions. Step 9: Under the Edit tab, click on Anonymous Access. Step 10: Choose whether you want Anonymous users to have access to the entire Web site or to lists and libraries only, and then click on OK. You should now be able to see the view as below under your permissions Also keep in mind: If you are trying to access the site from a browser within the domain, then you’ll need to change some browser settings to see the after affects. Normally this is because the browsers (Internet Explorer) is set to log in automatically to intranet zone only , not sure if you have explicitly changed the zones and added it to trusted sites. If this is from a box within your domain please try to access the site by temporarily changing the Internet Explorer setting to Anonymous Logon on the zone that the site is added example "Intranet" and try . You will find the same settings by clicking on Tools > Internet Options > Security Tab.

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Running Jetty under Windows Azure Using RoleEntryPoint in a Worker Role

- by Shawn Cicoria

This post is built upon the work of Mario Kosmiskas and David C. Chou’s prior postings – from here: http://blogs.msdn.com/b/mariok/archive/2011/01/05/deploying-java-applications-in-azure.aspx http://blogs.msdn.com/b/dachou/archive/2010/03/21/run-java-with-jetty-in-windows-azure.aspx As Mario points out in his post, when you need to have more control over the process that starts, it generally is better left to a RoleEntryPoint capability that as of now, requires the use of a CLR based assembly that is deployed as part of the package to Azure. There were things I liked especially about Mario’s post – specifically, the ability to pull down the JRE and Jetty runtimes at role startup and instantiate the process using the extracted bits. The way Mario initialized the java process (and Jetty) was to take advantage of a role startup task configured as part of the service definition. This is a great quick way to kick off processes or tasks prior to your role entry point. However, if you need access to service configuration values or role events, that’s where RoleEntryPoint comes in. For this PoC sample I moved the logic for retrieving the bits for the jre and jetty to the worker roles OnStart – in addition to moving the process kickoff to the OnStart method. The Run method at this point is there to loop and just report the status of the java process. Beyond just making things more parameterized, both Mario’s and David’s articles still form the essence of the approach. The solution that accompanies this post provides all the necessary .NET based Visual Studio project. In addition, you’ll need: 1. Jetty 7 runtime http://www.eclipse.org/jetty/downloads.php 2. JRE http://www.oracle.com/technetwork/java/javase/downloads/index.html Once you have these the first step is to create archives (zips) of the distributions. For this PoC, the structure of the archive requires that the root of the archive looks as follows: JRE6.zip jetty---.zip Upload the contents to a storage container (block blob), and for this example I used /archives as the location. The service configuration has several settings that allow, which is the advantage of using RoleEntryPoint, the ability to provide these things via native configuration support from Azure in a worker role. Storage Explorer You can use development storage for testing this out – the zipped version of the solution is configured for development storage. When you’re ready to deploy, you update the two settings – 1 for diagnostics and the other for the storage container where the /archives are going to be stored. <?xml version="1.0" encoding="utf-8"?> <ServiceConfiguration serviceName="HostedJetty" osFamily="2" osVersion="*"> <Role name="JettyWorker"> <Instances count="1" /> <ConfigurationSettings>  <Setting name="Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString" value="UseDevelopmentStorage=true" /> <Setting name="JettyArchive" value="jetty-distribution-7.3.0.v20110203b.zip" /> <Setting name="StartRole" value="true" /> <Setting name="BlobContainer" value="archives" /> <Setting name="JreArchive" value="jre6.zip" />  <Setting name="StorageCredentials" value="UseDevelopmentStorage=true" /> For interacting with Storage you can use several tools – one tool that I like is from the Windows Azure CAT team located here: http://appfabriccat.com/2011/02/exploring-windows-azure-storage-apis-by-building-a-storage-explorer-application/ and shown in the prior picture At runtime, during role initialization and startup, Azure will call into your RoleEntryPoint. At that time the code will do a dynamic pull of the 2 archives and extract – using the Sharp Zip Lib <link> as Mario had demonstrated in his sample. The only different here is the use of CLR code vs. PowerShell (which is really CLR, but that’s another discussion). At this point, once the 2 zips are extracted, the Role’s file system looks as follows: Worker Role approot From there, the OnStart method (which also does the download and unzip using a simple StorageHelper class) kicks off the Java path and now you have Java! Task Manager Jetty Sample Page A couple of things I’m working on to enhance this is to extract the jre and jetty bits not to the appRoot but to a resource location defined as part of the service definition. ServiceDefinition.csdef <?xml version="1.0" encoding="utf-8"?> <ServiceDefinition name="HostedJetty" xmlns="http://schemas.microsoft.com/ServiceHosting/2008/10/ServiceDefinition"> <WorkerRole name="JettyWorker"> <Imports> <Import moduleName="Diagnostics" /> <Import moduleName="RemoteAccess" /> <Import moduleName="RemoteForwarder" /> </Imports> <Endpoints> <InputEndpoint name="JettyPort" protocol="tcp" port="80" localPort="8080" /> </Endpoints> <LocalResources> <LocalStorage name="Archives" cleanOnRoleRecycle="false" sizeInMB="100" /> </LocalResources> As the concept matures a bit, being able to update dynamically the content or jar files as part of a running java solution is something that is possible through continued enhancement of this simple model. The Visual Studio 2010 Solution is located here: HostingJavaSln_NDA.zip

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Testing Routes in ASP.NET MVC with MvcContrib

- by Guilherme Cardoso

I've decide to write about unit testing in the next weeks. If we decide to develop with Test-Driven Developement pattern, it's important to not forget the routes. This article shows how to test routes. I'm importing my routes from my RegisterRoutes method from the Global.asax of Project.Web created by default (in SetUp). I'm using ShouldMapTp() from MvcContrib: http://mvccontrib.codeplex.com/ The controller is specified in the ShouldMapTo() signature, and we use lambda expressions for the action and parameters that are passed to that controller. [SetUp] public void Setup() { Project.Web.MvcApplication.RegisterRoutes(RouteTable.Routes); } [Test] public void Should_Route_HomeController() { "~/Home" .ShouldMapTo<HomeController>(action => action.Index()); } [Test] public void Should_Route_EventsController() { "~/Events" .ShouldMapTo<EventsController>(action => action.Index()); "~/Events/View/44/Concert-DevaMatri-22-January-" .ShouldMapTo<EventosController>(action => action.Read(1, "Title")); // In this example,44 is the Id for my Event and "Concert-DevaMatri-22-January" is the title for that Event } [TearDown] public void teardown() { RouteTable.Routes.Clear(); }

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Persisting settings without using Options dialog in Visual Studio

- by Utkarsh Shigihalli

Originally posted on: http://geekswithblogs.net/onlyutkarsh/archive/2013/11/02/persisting-settings-without-using-options-dialog-in-visual-studio.aspxIn one of my previous blog post we have seen persisting settings using Visual Studio's options dialog. Visual Studio options has many advantages in automatically persisting user options for you. However, during our latest Team Rooms extension development, we decided to provide our users; ability to use our preferences directly from Team Explorer. The main reason was that we had only one simple option for user and we thought it is cumbersome for user to go to Tools –> Options dialog to change this. Another reason was, we wanted to highlight this setting to user as soon as he is using our extension. So if you are in such a scenario where you do not want to use VS options window, but still would like to persist the settings, this post will guide you through. Visual Studio SDK provides two ways to persist settings in your extensions. One is using DialogPage as shown in my previous post. Another way is to use by implementing IProfileManager interface which I will explain in this post. Please note that the class implementing IProfileManager should be independent class. This is because, VS instantiates this class during Tools –> Import and Export Settings. IProfileManager provides 2 different sets of methods (total 4 methods) to persist the settings. They are LoadSettingsFromXml and SaveSettingsToXml – Implement these methods to persist settings to disk from VS settings storage. The VS will persist your settings along with other options to disk. LoadSettingsFromStorage and SaveSettingsToStorage – Implement these methods to persist settings to local storage, usually it be registry. VS calls LoadSettingsFromStorage method when it is initializing the package too. We are going to use the 2nd set of methods for this example. First, we are creating a separate class file called UserOptions.cs. Please note that, we also need to implement IComponent, which can be done by inheriting Component along with IProfileManager. [ComVisible(true)] [Guid("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX")] public class UserOptions : Component, IProfileManager { private const string SUBKEY_NAME = "TForVS2013"; private const string TRAY_NOTIFICATIONS_STRING = "TrayNotifications"; ... } Define the property so that it can be used to set and get from other classes. public bool TrayNotifications { get; set; } Implement the members of IProfileManager. public void LoadSettingsFromStorage() { RegistryKey reg = null; try { using (reg = Package.UserRegistryRoot.OpenSubKey(SUBKEY_NAME)) { if (reg != null) { // Key already exists, so just update this setting. TrayNotifications = Convert.ToBoolean(reg.GetValue(TRAY_NOTIFICATIONS_STRING, true)); } } } catch (TeamRoomException exception) { TrayNotifications = true; ExceptionReporting.Report(exception); } finally { if (reg != null) { reg.Close(); } } } public void LoadSettingsFromXml(IVsSettingsReader reader) { reader.ReadSettingBoolean(TRAY_NOTIFICATIONS_STRING, out _isTrayNotificationsEnabled); TrayNotifications = (_isTrayNotificationsEnabled == 1); } public void ResetSettings() { } public void SaveSettingsToStorage() { RegistryKey reg = null; try { using (reg = Package.UserRegistryRoot.OpenSubKey(SUBKEY_NAME, true)) { if (reg != null) { // Key already exists, so just update this setting. reg.SetValue(TRAY_NOTIFICATIONS_STRING, TrayNotifications); } else { reg = Package.UserRegistryRoot.CreateSubKey(SUBKEY_NAME); reg.SetValue(TRAY_NOTIFICATIONS_STRING, TrayNotifications); } } } catch (TeamRoomException exception) { ExceptionReporting.Report(exception); } finally { if (reg != null) { reg.Close(); } } } public void SaveSettingsToXml(IVsSettingsWriter writer) { writer.WriteSettingBoolean(TRAY_NOTIFICATIONS_STRING, TrayNotifications ? 1 : 0); } Let me elaborate on the method implementation. The Package class provides UserRegistryRoot (which is HKCU\Microsoft\VisualStudio\12.0 for VS2013) property which can be used to create and read the registry keys. So basically, in the methods above, I am checking if the registry key exists already and if not, I simply create it. Also, in case there is an exception I return the default values. If the key already exists, I update the value. Also, note that you need to make sure that you close the key while exiting from the method. Very simple right? Accessing and settings is simple too. We just need to use the exposed property. UserOptions.TrayNotifications = true; UserOptions.SaveSettingsToStorage(); Reading settings is as simple as reading a property. UserOptions.LoadSettingsFromStorage(); var trayNotifications = UserOptions.TrayNotifications; Lastly, the most important step. We need to tell Visual Studio shell that our package exposes options using the UserOptions class. For this we need to decorate our package class with ProvideProfile attribute as below. [ProvideProfile(typeof(UserOptions), "TForVS2013", "TeamRooms", 110, 110, false, DescriptionResourceID = 401)] public sealed class TeamRooms : Microsoft.VisualStudio.Shell.Package { ... } That's it. If everything is alright, once you run the package you will also see your options appearing in "Import Export settings" window, which allows you to export your options.

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Trying to keep up with Technology and Blogging

- by Dave Campbell

A little bit of everything... The heading above got changed a bunch during writing and I finally settled on that because this has become a 'stream of consciousness' post... or maybe a stream of UNconsciousness :) If you've noticed, my blogging has been a tad slow this fall. There's been a lot going on personally. But then again, I haven't skipped anybody either. Rather than go through ALL the blogs I have aggregated, and take a week to get to the bottom, at some point in the last year, I had moved the lists around so I now have "SilverlightMVPs", "Very Prolific", "WP7", and "Top Checks". This is a total of about 250 of the more prolific bloggers. Those 250 bloggers have kept me very busy up through about //BUILD. Sometimes it would take all week to go through just that list putting out 13 posts per blog per day... but not anymore. This weekend I made it all the way through the BIG list... close to 700 blogs, and if you read my blog, you know I had one medium day (Saturday), and yesterday was very short. Why is this? To be honest, I don't know... is everybody busy re-tooling, or churning waiting for direction? I have a short list of WinRT/Metro/W8 folks... maybe I need to be pointed to more of them... but my old favorites are not pumping out posts as they have in the past. I said before that I am attracted to Metro, and I've already got My first Metro app post out there, and were it not for working with the new site, I'd have had another out last weekend... so definitely look for more from me in that area. New Site? Did I say 'new site' ? oops... didn't mean to do that, but now that the cat is out of the bag, I may as well continue... While at //BUILD, I discussed a re-tooling of SilverlightCream with lots of folks... probably more than wanted to hear about it to be honest! ... it's needed a facelift, and there's stuff on there that never worked right, plus there's a lot of manual effort that goes into a blog post. In an effort to alleviate all the above, Michael Washington and I have been working on the next iteration of SilverlightCream. Not wanting to lose that branding or mess with any saved links, I decided to change from a somewhat funky name to something more professional. I also decided to put my blog on the site, and tie my main announcement twitter feed to the site as well. The way things sit today, there are 3 different names in those locations and it's gotta be confusing for folks just stumbling in. We're going to do a series of posts talking about the site and the new backend processing (hint: Michael Washington is responsible for it, so you can take a guess at the technology), but for now, we'd like some eyes on the front end of the site, and some submittals using it to see if it falls over somewhere that we haven't tried. So... I'm going to give it up... the new site is Windows Dev News. The Twitter feed is @WindowsDevNews, and the blog will be on the site as well at Windows Dev News Blog. I've got the RSS Feed on Feedburner too, so I think all the nuts and bolts are good to go. The submittal and search pages work, as does the blog page. You'll notice we used the MasterPage from SilverlightCream to get started. That will probably change, but it's just the visual... the content is the important part. Other missing things are the tracking and 'Skim' page that we will eventually have up and running. There are some formatting issues with the blog posts but if you hang in there with me, those will be taken care of. If you're a blogger, please submit through the site and let me know if you find any problems. If you're a reader, please add this feed and site. I'll be duplicating the effort for a while but at some point will stop that foolishness. We won't lose the data from SilverlightCream though, so keep using that as a search resource... I have hopes to pull that database over to WindowsDevNews, or link to it in some manner... that part isn't set in jello yet, but it will not be lost. So there it is... let me know what you think, send me your WinRT/Metro/W8 postings along with your Silverlight and WP7 posts... it's not that different, it's just more. Stay in the 'Light

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Silverlight Cream for April 25, 2010 -- #847

- by Dave Campbell

In this Issue: Michael Washington, David Poll, Andrea Boschin, Kunal Chowdhury(-2-), Lee, and Chad Campbell. Shoutout: Not at all Silverlight, but Kirupa has a great article up about Elastic Collisions From SilverlightCream.com: Easily decouple your MVVM ViewModel from your Model using RX Extensions Michael Washington continues with his Simplified MVVM and uses Rx to allow him to put web service methods in the model and call them from the ViewModel. A “refreshing” Authentication/Authorization experience with Silverlight 4 David Poll expands on his previous post and demonstrates returning the user to the page prior to the login, just the way you'd like it. Using a PollingDuplex service to handle long running activities Andrea Boschin is back discussing PollingDuplex again, this time is discussing getting updates from a long-running process. Introduction to Silverlight - Silverlight tutorials Chapter 1 Kunal Chowdhury has an intro to Silverlight Tutorial that looks good... if you're just getting started, here's a place to look. Introduction to Silverlight Application Development - Silverlight tutorial Chapter 2 In his 2nd introductory tutorial, Kunal Chowdhury gets into code and discusses User Controls. Drag and Drop grouping in Datagrid Lee has a post up where he's taken a DataGrid and produced some of the features of some of the 3rd-party controls, specifically dragging column headers to a place above the grid to sort the grid. Silverlight – HTTP request to [Url] was aborted. …local channel being closed while the request was still in progress Chad Campbell is addressing timeout problems you may hit with connecting up to your WCF service. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight Silverlight 3 Silverlight 4 Windows Phone MIX10

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An Alphabet of Eponymous Aphorisms, Programming Paradigms, Software Sayings, Annoying Alliteration

- by Brian Schroer

Malcolm Anderson blogged about “Einstein’s Razor” yesterday, which reminded me of my favorite software development “law”, the name of which I can never remember. It took much Wikipedia-ing to find it (Hofstadter’s Law – see below), but along the way I compiled the following list: Amara’s Law: We tend to overestimate the effect of a technology in the short run and underestimate the effect in the long run. Brook’s Law: Adding manpower to a late software project makes it later. Clarke’s Third Law: Any sufficiently advanced technology is indistinguishable from magic. Law of Demeter: Each unit should only talk to its friends; don't talk to strangers. Einstein’s Razor: “Make things as simple as possible, but not simpler” is the popular paraphrase, but what he actually said was “It can scarcely be denied that the supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience”, an overly complicated quote which is an obvious violation of Einstein’s Razor. (You can tell by looking at a picture of Einstein that the dude was hardly an expert on razors or other grooming apparati.) Finagle's Law of Dynamic Negatives: Anything that can go wrong, will—at the worst possible moment. - O'Toole's Corollary: The perversity of the Universe tends towards a maximum. Greenspun's Tenth Rule: Any sufficiently complicated C or Fortran program contains an ad hoc, informally-specified, bug-ridden, slow implementation of half of Common Lisp. (Morris’s Corollary: “…including Common Lisp”) Hofstadter's Law: It always takes longer than you expect, even when you take into account Hofstadter's Law. Issawi’s Omelet Analogy: One cannot make an omelet without breaking eggs - but it is amazing how many eggs one can break without making a decent omelet. Jackson’s Rules of Optimization: Rule 1: Don't do it. Rule 2 (for experts only): Don't do it yet. Kaner’s Caveat: A program which perfectly meets a lousy specification is a lousy program. Liskov Substitution Principle (paraphrased): Functions that use pointers or references to base classes must be able to use objects of derived classes without knowing it Mason’s Maxim: Since human beings themselves are not fully debugged yet, there will be bugs in your code no matter what you do. Nils-Peter Nelson’s Nil I/O Rule: The fastest I/O is no I/O. Occam's Razor: The simplest explanation is usually the correct one. Parkinson’s Law: Work expands so as to fill the time available for its completion. Quentin Tarantino’s Pie Principle: “…you want to go home have a drink and go and eat pie and talk about it.” (OK, he was talking about movies, not software, but I couldn’t find a “Q” quote about software. And wouldn’t it be cool to write a program so great that the users want to eat pie and talk about it?) Raymond’s Rule: Computer science education cannot make anybody an expert programmer any more than studying brushes and pigment can make somebody an expert painter. Sowa's Law of Standards: Whenever a major organization develops a new system as an official standard for X, the primary result is the widespread adoption of some simpler system as a de facto standard for X. Turing’s Tenet: We shall do a much better programming job, provided we approach the task with a full appreciation of its tremendous difficulty, provided that we respect the intrinsic limitations of the human mind and approach the task as very humble programmers. Udi Dahan’s Race Condition Rule: If you think you have a race condition, you don’t understand the domain well enough. These rules didn’t exist in the age of paper, there is no reason for them to exist in the age of computers. When you have race conditions, go back to the business and find out actual rules. Van Vleck’s Kvetching: We know about as much about software quality problems as they knew about the Black Plague in the 1600s. We've seen the victims' agonies and helped burn the corpses. We don't know what causes it; we don't really know if there is only one disease. We just suffer -- and keep pouring our sewage into our water supply. Wheeler’s Law: All problems in computer science can be solved by another level of indirection... Except for the problem of too many layers of indirection. Wheeler also said “Compatibility means deliberately repeating other people's mistakes.”. The Wrong Road Rule of Mr. X (anonymous): No matter how far down the wrong road you've gone, turn back. Yourdon’s Rule of Two Feet: If you think your management doesn't know what it's doing or that your organisation turns out low-quality software crap that embarrasses you, then leave. Zawinski's Law of Software Envelopment: Every program attempts to expand until it can read mail. Zawinski is also responsible for “Some people, when confronted with a problem, think 'I know, I'll use regular expressions.' Now they have two problems.” He once commented about X Windows widget toolkits: “Using these toolkits is like trying to make a bookshelf out of mashed potatoes.”

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Sending Parameters with the BizTalk HTTP Adapter

- by Christopher House

I've never had occaison to use the BizTalk HTTP adapter since I've always needed SOAP rather than just POX (plain old XML). Yesterday we decided that we're going to expose some data via a Java servlet that will accept an HTTP post and respond with POX. I knew BizTalk had an HTTP adapter but I had no idea what it's capabilities were. After a quick read through the BizTalk docs, it was apparent that the HTTP send adapter does in fact do posts. The concern I had though was how we were going to supply parameters to the servlet. The examples I had seen using the HTTP adapter all involved posting an XML message to some HTTP location. Our Java guy, however didn't want to take that approach. He wanted us to provide a query string via post, much like you'd expect to see on an HTTP get. I decided to put together a little test scenario and see what I could come up with. We didn't have a test servlet I could go against and my Java experience is virtually nill, so I decided to put together an ASP.Net project to act as the servlet. It didn't need to be fancy, just one HttpHandler that accepts a post, reads a parameter and returns XML. With the HttpHandler done, I put together a simple orchestration to send a message to the handler. I started by having the orch send a message of type System.String to see what it would look like when the handler received it. I set a breakpoint in my handler and kicked off the orchestration. Below is what I saw: As I suspected, because of BizTalk's XML serialization, System.String was not going to work. I thought back to my BizTalk 2004 days and I project I worked on that required sending HTML formatted emails via the SMTP adapter. To acomplish that, I had used a .Net class with a custom serialization formatter that I got from a Microsoft sample. The code for the class, RawString can be found here. I created a new class library with the RawString class as well as a static factory class, referenced that in my orchestration project and changed my message type from System.String to RawString. Below is what the code in my message construction looks like: After deploying the updated orchestration, I fired it off again and checked the breakpoint in my HttpHandler. This is what I saw: And there you have it. The RawString message type allowed me to pass a query string in the HTTP post without wrapping it in XML.

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How do I fix the error: CS1548: Cryptographic failure while signing assembly ?

- by Paula DiTallo

The full error in Microsoft Visual Studio on a compile looks like this: error CS1548: Cryptographic failure while signing assembly 'C:\Program Files\Microsoft SQL Server\100\Samples\Analysis Services\Programmability\AMO\AMOAdventureWorks\CS\StoredProcedures\obj\Debug\StoredProcedures.dll' This is likely due to a missing strong key pair value file. The easiest way to solve this problem is to create a new one. Navigate to: Microsoft Visual Studio 2010>Visual Studio Tools>Visual Studio x64 Win64 Command Prompt (2010) [if you aren't on an x64 box, pick another command prompt option that fits] Once the MS-Dos window displays, type in this statement: sn -k c:\SampleKey.snk Then copy the output *.snk file to project directory, or the *referenced directory. Remove the old reference to the *.snk file from the project. Add the paired key back to the project as an existing item. When you add back the *.snk file to the project, you will see that the *.snk file is no longer missing. Our work is done! *referenced directory: Pay attention to the original error message on compile. The *.snk file that is referenced may be in a directory path you aren't expecting--so you will still get the error unless you change the directory path or write the file to the directory the program is expecting to find the *.snk file.

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Using Radio Button in GridView with Validation

- by Vincent Maverick Durano

A developer is asking how to select one radio button at a time if the radio button is inside the GridView. As you may know setting the group name attribute of radio button will not work if the radio button is located within a Data Representation control like GridView. This because the radio button inside the gridview bahaves differentely. Since a gridview is rendered as table element , at run time it will assign different "name" to each radio button. Hence you are able to select multiple rows. In this post I'm going to demonstrate how select one radio button at a time in gridview and add a simple validation on it. To get started let's go ahead and fire up visual studio and the create a new web application / website project. Add a WebForm and then add gridview. The mark up would look something like this: <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" > <Columns> <asp:TemplateField> <ItemTemplate> <asp:RadioButton ID="rb" runat="server" /> </ItemTemplate> </asp:TemplateField> <asp:BoundField DataField="RowNumber" HeaderText="Row Number" /> <asp:BoundField DataField="Col1" HeaderText="First Column" /> <asp:BoundField DataField="Col2" HeaderText="Second Column" /> </Columns> </asp:GridView> Noticed that I've added a templatefield column so that we can add the radio button there. Also I have set up some BoundField columns and set the DataFields as RowNumber, Col1 and Col2. These columns are just dummy columns and i used it for the simplicity of this example. Now where these columns came from? These columns are created by hand at the code behind file of the ASPX. Here's the code below: private DataTable FillData() { DataTable dt = new DataTable(); DataRow dr = null; //Create DataTable columns dt.Columns.Add(new DataColumn("RowNumber", typeof(string))); dt.Columns.Add(new DataColumn("Col1", typeof(string))); dt.Columns.Add(new DataColumn("Col2", typeof(string))); //Create Row for each columns dr = dt.NewRow(); dr["RowNumber"] = 1; dr["Col1"] = "A"; dr["Col2"] = "B"; dt.Rows.Add(dr); dr = dt.NewRow(); dr["RowNumber"] = 2; dr["Col1"] = "AA"; dr["Col2"] = "BB"; dt.Rows.Add(dr); dr = dt.NewRow(); dr["RowNumber"] = 3; dr["Col1"] = "A"; dr["Col2"] = "B"; dt.Rows.Add(dr); dr = dt.NewRow(); dr["RowNumber"] = 4; dr["Col1"] = "A"; dr["Col2"] = "B"; dt.Rows.Add(dr); dr = dt.NewRow(); dr["RowNumber"] = 5; dr["Col1"] = "A"; dr["Col2"] = "B"; dt.Rows.Add(dr); return dt; } And here's the code for binding the GridView with the dummy data above. protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { GridView1.DataSource = FillData(); GridView1.DataBind(); } } Okay we have now a GridView data with a radio button on each row. Now lets go ahead and switch back to ASPX mark up. In this example I'm going to use a JavaScript for validating the radio button to select one radio button at a time. Here's the javascript code below: function CheckOtherIsCheckedByGVID(rb) { var isChecked = rb.checked; var row = rb.parentNode.parentNode; if (isChecked) { row.style.backgroundColor = '#B6C4DE'; row.style.color = 'black'; } var currentRdbID = rb.id; parent = document.getElementById("<%= GridView1.ClientID %>"); var items = parent.getElementsByTagName('input'); for (i = 0; i < items.length; i++) { if (items[i].id != currentRdbID && items[i].type == "radio") { if (items[i].checked) { items[i].checked = false; items[i].parentNode.parentNode.style.backgroundColor = 'white'; items[i].parentNode.parentNode.style.color = '#696969'; } } } } The function above sets the row of the current selected radio button's style to determine that the row is selected and then loops through the radio buttons in the gridview and then de-select the previous selected radio button and set the row style back to its default. You can then call the javascript function above at onlick event of radio button like below: <asp:RadioButton ID="rb" runat="server" onclick="javascript:CheckOtherIsCheckedByGVID(this);" /> Here's the output below: On Load: After Selecting a Radio Button: As you have noticed, on initial load there's no default selected radio in the GridView. Now let's add a simple validation for that. We will basically display an error message if a user clicks a button that triggers a postback without selecting a radio button in the GridView. Here's the javascript for the validation: function ValidateRadioButton(sender, args) { var gv = document.getElementById("<%= GridView1.ClientID %>"); var items = gv.getElementsByTagName('input'); for (var i = 0; i < items.length ; i++) { if (items[i].type == "radio") { if (items[i].checked) { args.IsValid = true; return; } else { args.IsValid = false; } } } } The function above loops through the rows in gridview and find all the radio buttons within it. It will then check each radio button checked property. If a radio is checked then set IsValid to true else set it to false. The reason why I'm using IsValid is because I'm using the ASP validator control for validation. Now add the following mark up below under the GridView declaration: <br /> <asp:Label ID="lblMessage" runat="server" /> <br /> <asp:Button ID="btn" runat="server" Text="POST" onclick="btn_Click" ValidationGroup="GroupA" /> <asp:CustomValidator ID="CustomValidator1" runat="server" ErrorMessage="Please select row in the grid." ClientValidationFunction="ValidateRadioButton" ValidationGroup="GroupA" style="display:none"></asp:CustomValidator> <asp:ValidationSummary ID="ValidationSummary1" runat="server" ValidationGroup="GroupA" HeaderText="Error List:" DisplayMode="BulletList" ForeColor="Red" /> And then at Button Click event add this simple code below just to test if the validation works: protected void btn_Click(object sender, EventArgs e) { lblMessage.Text = "Postback at: " + DateTime.Now.ToString("hh:mm:ss tt"); } Here's the output below that you can see in the browser: That's it! I hope someone find this post useful! Technorati Tags: ASP.NET,JavaScript,GridView

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Why was Mr. Scott Scottish?

- by iamjames

It's a good question: of all the engineers in the world, why choose a Scottish engineer? The Gene Roddenberry probably chose a Scottish engineer because of this guy: That's James Watt, the same guy the unit of energy watt is named after. He was a Scottish inventor and mechancial engineer who built the first made significant improvements to the steam engine. Made sense in the 60's, however given the past hundred years if they were to make a new Star Trek they might have started with a German engineer (or maybe Japanese), but since World War II had ended barely 20 years earlier the 20-somethings that had survived the war were now 40-somethings and seeing a German engineer probably wouldn't have gone over too well.

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Usar un Datatable como fuente de datos para un GridView

- by Jason Ulloa

Es común ver en los foros, preguntas sobre como llenar un datatable para luego, ponerlo como fuente de un GridView. En nuestro próximo ejemplo, mostraremos lo sencillo que puede ser y la poca cantidad de código que es requerida: using (SqlConnection c = new SqlConnection("conectionstring")) { c.Open(); // Crear un nuevo DataAdapter using (SqlDataAdapter a = new SqlDataAdapter("SELECT * FROM table", c)) { // Usar un DataAdapter para llenar el DataTable DataTable t = new DataTable(); a.Fill(t); gridView1.DataSource = t; gridView1.DataBind(); } }

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Silverlight Cream for December 12, 2010 -- #1008

- by Dave Campbell

In this Issue: Michael Washington, Samuel Jack, Alfred Astort(-2-), Nokola(-2-), Avi Pilosof, Chris Klug, Pete Brown, Laurent Bugnion(-2-), and Jaime Rodriguez(-2-, -3-). Above the Fold: Silverlight: "Sharing resources and styles between projects in Silverlight" Chris Klug WP7: "Windows Phone Application Performance at Silverlight Firestarter" Jaime Rodriguez Training: "Silverlight View Model (MVVM) - A Play In One Act" Michael Washington Shoutouts: Koen Zwikstra announced the availability of the first Silverlight Spy 4 Preview 1 Gavin Wignall announced the Launch of Festive game built with Silverlight 4, hosted on Azure ... free to play. From SilverlightCream.com: Silverlight View Model (MVVM) - A Play In One Act Michael Washington has an interesting take on writing a blog post with this 'play' version of Silverlight View Models and Expression Blend with a heaping dose of Behaviors added in for flavoring. Build a Windows Phone Game in 3 days – Day 1 Samuel Jack is attempting to build a WP7 game in 3 days including downloading the tools and an XNA book... interesting to see where he's headed wth this venture. 4 of 10 - Make sure your finger can hit the target and text is legible Continuing with a series of tips from the folks reviewing apps for the marketplace via Alfred Astort is this number 4 -- touch target size and legible text. 5 of 10 - Give feedback on touch and progress within your UI Alfred Astort's number 5 is also up, and continues the touch discussion with this tip about giving the user feedback on their touch. Fantasia Painter Released for Windows Phone 7 + Tips Nokola took the release of his Fantasia Painter on WP& as an opportunity not only to blog about the fact that we can go buy it, but has a blog full of hints and tips that he gathered while working on it. Games for Windows Phone 7 Resources: Reducing Load Times, RPG Kit; Other Nokola also blogged about the release of the new games education pack, and gives up the cursor he uses in his videos after being asked... The simplest way to do design-time ViewModels with MVVM and Blend. Avi Pilosof attacks the design-time ViewModel issue in Blend with a 'no code' solution. Sharing resources and styles between projects in Silverlight Chris Klug is talking about sharing resources and styles across a large Silverlight project... near and dear to my heart at this moment. Dynamically Generating Controls in WPF and Silverlight Pete Brown has a post up that's generated some interest... creating controls at runtime... and he's demonstrating several different ways for both Silverlight and WPF #twitter for Windows Phone 7 protips (#wp7) Laurent Bugnion was posting these great tips for Twitter for WP7 and rolled all 16 of them up into a blog post... check them and the app out... Increasing touch surface (#wp7dev) Laurent Bugnion's most current post should be of great interest to WP7 devs... providing more touch surface for your user's fat fingers, err, I mean their fat fingerings :) ... great information and samples ... and interesting it is a fail point as listed by Alfred Astort above. Windows Phone Application Performance at Silverlight Firestarter This material from Jaime Rodriguez actually hit prior to his Firestarter presentation, but should be required reading for anyone doing a WP7 app... great Performance tips from the trenches... slide deck, cheat-sheet, and code. UpdateSourceTrigger on Windows Phone data bindings Another post from Jaime Rodriguez actually went through a couple revisions already.. how about a WP7 TextBox that fires notifications to the ViewModel when the text changes? ... would you like a behavior with that? Details on the Push Notification app limits Jaime Rodriguez has yet another required reading post up on Push Notification limits ... what it really entails and how you can be a good WP7 citizen by the way you program your app. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight Silverlight 3 Silverlight 4 Windows Phone MIX10

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Using Microsoft benefits to kickstart your own development

- by douglasscott

Working for a big company I enjoy all the Microsoft tools I can consume. I also have the infrastructure to support my development and team communication.I recently helped form a small consulting team that requires the same type of resources. That is when the realization of the true cost of Microsoft's professional development tools really hit me.Okay, I'll just bite the bullet and get what I'm used to working with to do high quality development projects. After just a few minutes of looking at street prices and doing some quick math I began to have a realization...doing this right isn't cheap!Luckily there is help. If you are willing to get your ducks in a row and do a little documentation Microsoft will give you some developer manna. I went to the Bizspark site and completed the application which describes your company profile and services offer. The approval process took about a week. Voila, A Visual Studio Ultimate with MSDN Subscription!As a start-up Office 365 can be a great solution for all your team communications. I also enrolled in the Microsoft Cloud Essentials program as part of a business track. Once you meet the Cloud Essentials requirements you will receive 250 Office 365 licenses! This includes Office and hosted Exchange, Lync, and SharePoint.Take advantage of what Microsoft has to offer for your start-up. It just may surprise you and save you a lot of your start-up budget.

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Using a WCF Message Inspector to extend AppFabric Monitoring

- by Shawn Cicoria

I read through Ron Jacobs post on Monitoring WCF Data Services with AppFabric http://blogs.msdn.com/b/endpoint/archive/2010/06/09/tracking-wcf-data-services-with-windows-server-appfabric.aspx What is immediately striking are 2 things – it’s so easy to get monitoring data into a viewer (AppFabric Dashboard) w/ very little work. And the 2nd thing is, why can’t this be a WCF message inspector on the dispatch side. So, I took the base class WCFUserEventProvider that’s located in the WCF/WF samples [1] in the following path, \WF_WCF_Samples\WCF\Basic\Management\AnalyticTraceExtensibility\CS\WCFAnalyticTracingExtensibility\ and then created a few classes that project the injection as a IEndPointBehavior There are just 3 classes to drive injection of the inspector at runtime via config: IDispatchMessageInspector implementation BehaviorExtensionElement implementation IEndpointBehavior implementation The full source code is below with a link to the solution file here: [Solution File] using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.ServiceModel.Dispatcher; using System.ServiceModel.Channels; using System.ServiceModel; using System.ServiceModel.Configuration; using System.ServiceModel.Description; using Microsoft.Samples.WCFAnalyticTracingExtensibility; namespace Fabrikam.Services { public class AppFabricE2EInspector : IDispatchMessageInspector { static WCFUserEventProvider evntProvider = null; static AppFabricE2EInspector() { evntProvider = new WCFUserEventProvider(); } public object AfterReceiveRequest( ref Message request, IClientChannel channel, InstanceContext instanceContext) { OperationContext ctx = OperationContext.Current; var opName = ctx.IncomingMessageHeaders.Action; evntProvider.WriteInformationEvent("start", string.Format("operation: {0} at address {1}", opName, ctx.EndpointDispatcher.EndpointAddress)); return null; } public void BeforeSendReply(ref System.ServiceModel.Channels.Message reply, object correlationState) { OperationContext ctx = OperationContext.Current; var opName = ctx.IncomingMessageHeaders.Action; evntProvider.WriteInformationEvent("end", string.Format("operation: {0} at address {1}", opName, ctx.EndpointDispatcher.EndpointAddress)); } } public class AppFabricE2EBehaviorElement : BehaviorExtensionElement { #region BehaviorExtensionElement /// <summary> /// Gets the type of behavior. /// </summary> /// <value></value> /// <returns>The type that implements the end point behavior<see cref="T:System.Type"/>.</returns> public override Type BehaviorType { get { return typeof(AppFabricE2EEndpointBehavior); } } /// <summary> /// Creates a behavior extension based on the current configuration settings. /// </summary> /// <returns>The behavior extension.</returns> protected override object CreateBehavior() { return new AppFabricE2EEndpointBehavior(); } #endregion BehaviorExtensionElement } public class AppFabricE2EEndpointBehavior : IEndpointBehavior //, IServiceBehavior { #region IEndpointBehavior public void AddBindingParameters(ServiceEndpoint endpoint, BindingParameterCollection bindingParameters) {} public void ApplyClientBehavior(ServiceEndpoint endpoint, ClientRuntime clientRuntime) { throw new NotImplementedException(); } public void ApplyDispatchBehavior(ServiceEndpoint endpoint, EndpointDispatcher endpointDispatcher) { endpointDispatcher.DispatchRuntime.MessageInspectors.Add(new AppFabricE2EInspector()); } public void Validate(ServiceEndpoint endpoint) { ; } #endregion IEndpointBehavior } } [1] http://www.microsoft.com/downloads/details.aspx?FamilyID=35ec8682-d5fd-4bc3-a51a-d8ad115a8792&displaylang=en

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Getting Started With nServiceBus on VAN Mar 31

- by van

Topic: nServiceBus is mature and powerful open source framework that enables to design robust, scalable, message-based, service-oriented architectures. Latest improvements in the configuration API enables developers to quickly get started and build a working simple system that uses messaging infrastructure. The goal of this session is to give a jump start with the framework, introduce basic concepts such as message handlers, Sagas, Pub/Sub, Generic Host and also create a working demo application that uses publish/subscribe messaging. The content of the session is addressed to developers that are interested in learning how to get started using nServiceBus in order to design and build distributed systems. Bio: Bernard Kowalski is currently a Software Developer at Microdesk, one of Autodesk's leading partners in providing variety of Geospatial and Computer-Aided Design solutions. Bernard has experience developing .NET framework-based applications utilizing Windows Forms, Windows Services, ASP.NET MVC, and Web services. In a recent project, Bernard architected and implemented a distributed system based on SOA principles using an open source implementation of an Enterprise Service Bus. Bernard develops software with Agile patterns and practices using Domain Driven Design combined with TDD (Test Driven Development). He is familiar with all of the following APIs: Autodesk Vault/Product Stream API, AutoCAD ActiveX/VBA/.NET API, AutoCAD Mechanical API, Autodesk Inventor API, Autodesk MapGuide Enterprise. Prior to joining Microdesk, Bernard worked as a researcher and teacher at the University of Science and Technology in Krakow, Poland where he was awarded with a PhD in Computer Methods in Materials Science. He also participated in research projects where he developed applications for analysis of hot compression test results using advanced optimization techniques. He also developed Finite Element Method-based programs for thermal and stress analysis using C++ and FORTRAN. Bernard is a member of the Domain Driven Design and ALT.NET user groups in NYC. Virtual ALT.NET (VAN) is the online gathering place of the ALT.NET community. Through conversations, presentations, pair programming and dojos, we strive to improve, explore, and challenge the way we create software. Using net conferencing technology such as Skype and LiveMeeting, we hold regular meetings, open to anyone, usually taking the form of a presentation or an Open Space Technology-style conversation. Please see the Calendar(http://www.virtualaltnet.com/Home/Calendar) to find a VAN group that meets at a time convenient to you, and feel welcome to join a meeting. Past sessions can be found on the Recording page. To stay informed about VAN activities, you can subscribe to the Virtual ALT.NET Google Group and follow the Virtual ALT.NET blog. Times below are Central Standard Time Start Time: Wed, Mar 31, 2010 8:00 PM UTC/GMT -5 hours End Time: Wed, Mar 31, 2010 10:00 PM UTC/GMT -5 hours Attendee URL: http://www.virtualaltnet.com/van Zach Young http://www.virtualaltnet.com

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Silverlight Cream for March 23, 2010 -- #818

- by Dave Campbell

In this Issue: Max Paulousky, Jeremy Likness, Mark Tucker, Christian Schormann, Page Brooks, Brad Abrams(-2-), Jeff Wilcox, Unnir, Bea Stollnitz, John Papa and Adam Kinney, and Bill Reiss(-2-). Shoutouts: Ashish Shetty posted his material from his MIX10 presentation: Stepping outside the browser with Silverlight 4 Not Silverlight, but dang useful, Karl Shifflett posted a Visual Studio 2010 XAML Editor IntelliSense Presenter Extension Yavor Georgiev posted his MIX10 material: Two samples from today's MIX talk From SilverlightCream.com: GroupBox Sketching Control for WPF applications Using Blend Max Paulousky creates a GroupBox control for SketchFlow for WPF. He includes a link to an example of doing the same for Silverlight. Sequential Asynchronous Workflows in Silverlight using Coroutines Jeremy Likness' latest post begann with a post on the Silverlight.net forum and Rob Eisenburg's MVVM presentation from MIX10 resulting in the use of Wintellect's PowerThreading library (downloadable), and Coroutines. Windows Phone 7 UI Templates Mark Tucker has been putting a lot of thought into WP7 apps and produced 5 templates for building apps, downloadable in PowerPoint format. He's also looking to discuss this concept. Blend 4: About Path Layout, Part I Christian Schormann has a great tutorial up about Expression Blend 4 and path layout ... this is lots of great info, and it's only part 1! Custom Splash Screen for Windows Phone Page Brooks makes very quick work of showing how to add a splash screen to your WP7 app... very nice, Page! Silverlight 4 + RIA Services - Ready for Business: Exposing Data from Entity Framework Brad Abrams next post in the series is is on pulling your data from wherever it lives, and uses a DomainService to shape it for your Silverlight app. Silverlight 4 + RIA Services - Ready for Business: Consuming Data in the Silverlight Client Brad Abrams then discusses consuming that data in a Silverlight app. Not much code involvement at all.. great ROI :) Building Silverlight 3 and Silverlight 4 applications on a .NET 3.5 build machine Jeff Wilcox talks about building Silverlight 3 and Silverlight 4B both on a .NET 3.5 machine. He then adds in the Toolkit, and even WCF RIA Services. Expression Blend 4 - XAML generation tweaks Unnir demonstrates a few changes to Expression Blend 4 that produce more compact XAML. He's also asking for other examples you'd like to see tightened up. How can I sort a hierarchy? Bea Stollnitz posts plausible solutions to sorting data items at each level of a hierarchical UI, with descriptions of why they don't work, followed by the real deal... Silverlight and WPF. Silverlight Training Course (Silverlight 4) John Papa and Adam Kinney have posted a huge body of work to get us up-to-speed on Silverlight 4 -- a WhitePaper, hands-on labs, and an 8-unit course with 25 accompanying videos... geez... Silverlight game development on Windows Phone 7 Bill Reiss has a post up discussing game development on WP7 in general and then discusses his SilverSprite library, with a link to it. XNA or Silverlight for Windows Phone 7 game development? Bill Reiss next discusses the advantage of using Silverlight or XNA for your WP7 game development, and who better to discuss both? Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight Silverlight 3 Silverlight 4 Windows Phone MIX10

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Silverlight Cream for January 01, 2011 -- #1020

- by Dave Campbell

In this short New Year's Day 2011 Issue, 3 Mikes: Mike Taulty, Mike Snow, and Mike Ormond. Above the Fold: Silverlight: "Native Extensions for Silverlight (NESL)?" Mike Taulty WP7: "Monitoring Memory Usage on Windows Phone 7" Mike Ormond From SilverlightCream.com: Native Extensions for Silverlight (NESL)? Mike Taulty has a really good write-up on Native Extensions for Silverlight... he describes what that project is about and gives guidance on best practices. Win7 Mobile: Uniquely Identifying a Device or User Mike Snow has a post up describing how to uniquely identify the phone or device your app is running on using the Microsoft.Phone.Info.DeviceExtendedProperties namespace Monitoring Memory Usage on Windows Phone 7 Mike Ormond has a post up showing how to turn on and make use of the framerate counters in WP7 Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight Silverlight 3 Silverlight 4 Windows Phone MIX10

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Some New .NET Toys (Repost)

- by Kevin Grossnicklaus

Last week I was fortunate enough to spend time in Redmond on Microsoft’s campus for the 2011 Microsoft MVP Summit. It was great to hang out with a number of old friends and get the opportunity to talk tech with the various product teams up at Microsoft. The weather wasn’t exactly sunny but Microsoft always does a great job with the Summit and everyone had a blast (heck, I even got to run the bases at SafeCo field) While much of what we saw is covered under NDA, there a ton of great things in the pipeline from Microsoft and many things that are already available (or just became so) that I wasn’t necessarily aware of. The purpose of this post is to share some of the info I learned on resources and tools available to .NET developers today. Please let me know if you have any questions (or if you know of something else cool which might benefit others). Enjoy! Visual Studio 2010 SP1 Microsoft has issued the RTM release of Visual Studio 2010 SP1. You can download the full SP1 on MSDN as of today (March 10th to the general public) and take advantage of such things as: Silverlight 4 is included in the box (as opposed to a separate install) Silverlight 4 Profiling WCF RIA Services SP1 Intellitrace for 64-bit and SharePoint ASP.NET now easily supports IIS Express and SQL CE Want a description of all that’s new beyond the above biased list (which arguably only contains items I think are important)? Check out this KB article. Portable Library Tools CTP Without much fanfare Microsoft has released a CTP of a new add-in to Visual Studio 2010 which simplifies code sharing between projects targeting different runtimes (i.e. Silverlight, WPF, Win7 Phone, XBox). With this Add-In installed you can add a new project of type “Portable Library” and specify which platforms you wish to target. Once that is done, any code added to this library will be limited to use only features which are common to all selected frameworks. Other projects can now reference this portable library and be provided assemblies custom built to their environment. This greatly simplifies the current process of sharing linked files between platforms like WPF and Silverlight. You can find out more about this CTP and how it works on this great blog post. Visual Studio Async CTP Microsoft has also released a CTP of a set of language and framework enhancements to provide a much more powerful asynchronous programming model. Due to the focus on async programming in all types of platforms (and it being the ONLY option in Silverlight and Win7 phone) a move towards a simpler and more understandable model is always a good thing. This CTP (called Visual Studio Async CTP) can be downloaded here. You can read more about this CTP on this blog post. MSDN Code Samples Gallery Microsoft has also launched new code samples gallery on their MSDN site: http://code.msdn.microsoft.com/. This site allows you to easily search for small samples of code related to a particular technology or platform. If a sample of code you are looking for is not found, you can request one via the site and other developers can see your request and provide a sample to the site to suit your needs. You can also peruse requested samples and, if you find a scenario where you can provide value, upload your own sample for the benefit of others. Samples are packaged into the VS .vsix format and include any necessary references/dependencies. By using .vsix as the deployment mechanism, as samples are installed from the site they are kept in your Visual Studio 2010 Samples Gallery and kept for your future reference. If you get a chance, check out the site and see how it is done. Although a somewhat simple concept, I was very impressed with their implementation and the way they went about trying to suit a need. I’ll definitely be looking there in the future as need something or want to share something. MSDN Search Capabilities Another item I learned recently and was not aware of (that might seem trivial to some) is the power of the MSDN site’s search capabilities. Between the Code Samples Gallery described above and the search enhancements on MSDN, Microsoft is definitely investing in their platform to help provide developers of all skill levels the tools and resources they need to be successful. What do I mean by the MSDN search capability and why should you care? If you go to the MSDN home page (http://msdn.microsoft.com) and use the “Search MSDN with Big” box at the very top of the page you will see some very interesting results. First, the search actually doesn’t just search the MSDN library it searches: MSDN Library All Microsoft Blogs CodePlex StackOverflow Downloads MSDN Magazine Support Knowledgebase (I’m not sure it even ends there but the above are all I know of) Beyond just searching all the above locations, the results are formatted very nicely to give some contextual information based on where the result came from. For example, if a keyword search returned results from CodePlex, each row in the search results screen would include a large amount of information specific to CodePlex such as: Looking at the above results immediately tells you everything from the page views to the CodePlex ratings. All in all, knowing that this much information is indexed and available from a single search location will lead me to utilize this as one of my initial searches for development information.

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Microsoft Channel 9 Interviews Mei Liang to Introduce Sample Browser Extension for Visual Studio 2012 and 2010

- by Jialiang

This morning, Microsoft Channel 9 interviewed Mei Liang - Group Manager of Microsoft All-In-One Code Framework - to introduce the newest Sample Browser extension for Visual Studio 2012 &2010. This extension provides a way for developers to search and download more than 4500 code samples from within Visual Studio, including over 700 Windows 8 samples and more than 1000 All-In-One Code Framework customer-driven code samples. Mei shows us not only the extension, but also the standalone version of the Sample Browser. http://channel9.msdn.com/Shows/Visual-Studio-Toolbox/Sample-Browser-Visual-Studio-Extension Microsoft All-In-One Code Framework, working in close partnership with the Visual Studio product team and MSDN Samples Gallery, developed the Sample Browser extension for both Visual Studio 2012 and Visual Studio 2010. As an effort to evolve the code sample use experience and improve developers' productivity, the Sample Browser allows programmers to search, download and open over 4500 code samples from within Visual Studio with just a few simple clicks. If no existing code sample can meet the needs, developers can even request a code sample easily from Microsoft thanks to the free “Sample Request Service” offered by Microsoft All-In-One Code Framework. Through innovations, the teams hope to put the power of tens of thousands of code samples at developers’ fingertips. In short 3 months, the Sample Browser Visual Studio Extension has been installed by 100K global users. It is also selected as one of the six most highly regarded and commonly used tools for Visual Studio that will make your programming experience feel like never before. Got to love the All-In-One Code Framework team! You guys know this is THE go to source for code samples. Get this extension and you'll never need to leave VS2012 (well except for bathroom trips, but that's TMI anyway... ;) Read More... From: Greg Duncan (Author of CoolThingOfTheDay) 9/6/2011 12:00 AM The one software design pattern that I have used in just about every application I’ve written is “cut-and-paste,” so the new “Sample Browser” – read sample as a noun not an adjective – is a great boon to my productivity. Read More... From: Jim O'Neil (Microsoft Developer Evangelist) 9/28/2011 12:00 AM Install: http://aka.ms/samplebrowservsx Microsoft All-In-One Code Framework also offers the standalone version of Sample Browser. The standalone version is particularly useful to Visual Studio Express edition or Visual Studio 2008 users, who cannot install the Sample Browser Visual Studio extension. From Grassroots’ Passion for Developers to the Innovation of Sample Browser This Sample Browser has come a very long way improving the code sample use experience. The history can be traced back to a grass-root innovation three years ago. In early 2009, a few MSDN forum support engineers observed that lots of developers were struggling to work in Visual Studio without adequate code samples. Programming tasks seem harder than they should be when you only read through the documentation. Just a couple of lines of sample code could answer a lot of questions. They had a brilliant idea: What if we produce code samples based on developers’ frequently asked programming tasks in forums, social networks and support incidents, and then aggregate all our sample code in a one-stop library to benefit developers? And what if developers can request code samples directly from Microsoft, free of charge? This small group of grassroots at Microsoft devoted their nights and weekends to prototyping such a customer-driven code sample library. This simple idea eventually turned into “Microsoft All-In-One Code Framework”, aka. OneCode. With the support from more and more passionate developers at Microsoft and the leaders in the Community and Online Support team and Microsoft Commercial Technical Services (CTS), the idea has become a continually growing library with over 1000 customer-driven code samples covering almost all Microsoft development technologies. These code samples originated from developers’ common pains and needs should be able to help many developers. However, if developers cannot easily discover the code samples, the effort would still be in vain. So in early 2010, the team started the idea of Sample Browser to ease the discovery and access of these samples. In just two months, the first version of Sample Browser was finished and released by a passionate developer. It was a very simple application, only supporting the basic sample offline search. Users had to download the whole 100MB sample package containing all samples first, and run the Sample Browser to search locally. Though developers could not search and download samples on-demand, this simple application laid a solid foundation for the team’s continuous innovations of Sample Browsing experience. In 2011, MSDN Samples Gallery had a big refresh. The online sample experience was brought to a new level thanks to its PM Steven Wilssens and the gallery team’s effort. Microsoft All-In-One Code Framework Team saw the opportunity to realize the “on-demand” sample search and download feature with the new gallery. The two teams formed a strong partnership to upload all the customer-driven code samples to MSDN Samples Gallery, and released the new version of Sample Browser to support “on-demand” sample downloading in April, 2011. Mei Liang, the Group Manager of Microsoft All-In-One Code Framework, was interviewed by Channel 9 to demo the Sample Browser. Customers love the effort and the innovation!! This can be clearly seen from the user comments in the publishing page. It was very encouraging to the team of All-In-One Code Framework. The team continues innovating and evolving the Sample Browser. They found the Visual Studio product team this time, and integrated the Sample Browsing experience into the latest Visual Studio 2012. The newly released Sample Browser Visual Studio extension makes good use of Visual Studio 2012 IDE such as the new Quick Launch bar, the code editor, the toolbar and menus to offer easy access to thousands of code samples from within the development environment. The Visual Studio Senior Program Manager Lead - Anthony Cangialosi, the Program Manager - Murali Krishna Hosabettu Kamalesha, the MSDN Samples Gallery PM – Steven Wilssens, and the Visual Studio Senior Escalation Engineer - Ed Dore shared lots of insightful suggestions with the team. Thanks to the brilliant cross-group collaboration inside Microsoft, tens of new features including “Local Language Support” and “Favorite Samples”, as well as a face-lifted user interface, were added to further enhance the user experience. Since the new Sample Browser Visual Studio extension was released, it has received over 100 thousand downloads and five-star ratings. A customer told the team that he officially falls in LOVE with Microsoft All-In-One Code Framework. The Sample Browser Innovation for Developers Never Stops! The teams would never stop improving the Sample Browser for developers’ easier lives. The Microsoft All-In-One Code Framework, Visual Studio and MSDN Samples Gallery teams are working closely to develop the next version of Sample Browser. Here are the key functions in development or in discussion. We hope to learn your feedback of the effort. You can submit your suggestions to the official Visual Studio UserVoice site. We look forward to hearing from you! 1) Offline Sample Search This is one of the top feature requests that we have received for Sample Browser. The Sample Browser will support the offline search mode so that developers can search downloaded code samples when they do not have internet access. This is particularly useful to developers in Enterprises with strict proxy settings. 2) Code Snippet Support and Visual Studio Editor Integration Today, the Sample Browser supports downloading and opening sample project. However, when developers are searching for code samples, a better user experience would be to see the code snippets in the search result first. Developers can quickly decide if the code snippet is relevant. They can also drag and drop the code snippet into the Visual Studio Editor to solve some simple programming tasks. If developers want to learn more about the sample, they can then choose to download the sample project and open it in Visual Studio. 3) Enterprise Sample Sharing and Searching Large enterprises have many code samples for their own internal tools and APIs that are not appropriate to be shared publicly in MSDN Samples Gallery. In that case, today’s Sample Browser and MSDN Samples Gallery cannot help these Enterprise developers. The idea is to create a Code Sample Repository in TFS, and provide an additional Visual Studio extension for Enterprise developers to quickly share code samples to TFS. The Sample Browser can be configured to connect to the TFS Code Sample Repository to search for and download code samples. This would potentially enable the Enterprise developers to be more productive. 4) Windows Store Sample Browser With the upcoming release of Windows RT and Microsoft Surface, developers are facing a completely new world of application platform. Not like laptop, people would often use Microsoft Surface in commute and in travel. Internet may not be available. Today’s Visual Studio cannot be installed and run on Windows RT, however, our enthusiastic developers would hope to spend every minute on code. They love code! The idea is to create a Windows Store version of Sample Browser. Search and download samples from the online Samples Gallery when the user has internet access. Browse the sample code files and learn the sample documentation of downloaded samples with or without internet access. In addition to the "browse” function, the Sample Browser could further support “bookmark”, “learning notes”, “code review”, and “quick social sharing". Make full use of the new touch and Windows Store App UI to give developers a new “relaxing” code browsing and learning experience, anytime, anywhere. With Windows Store Sample Browser, developers can enjoy A new relaxing and enjoyable experience for developers to learn code samples You do not have to sit in front of desk and formally open Visual Studio to read code samples. Many developers get sub-health due to staying in front of desk for a very long time. With Windows RT, Microsoft Surface and this Windows Store Sample Browser combining with the online MSDN Samples Gallery, developers can sit in a sofa, relaxingly hold the tablet and enjoy to learn their beloved sample code with detailed documentation. Anytime, anywhere Whether you have internet access or not, whether you are at home, in office, or in commute/airplane, developers can always easily access and browse the sample code. Lightweight and fast Particularly for learning a small sample project, the Windows Store Sample Browser would be more lightweight and faster to open and browse the sample code. Please submit your feedback and suggestion to Visual Studio UserVoice. We look forward to hearing from you and deliver a better and better sample use experience. Happy Coding! Special Thanks to People working behind the latest release of Sample Browser Visual Studio Extension and the great partnerships!

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The last MVVM you'll ever need?

- by Nuri Halperin

As my MVC projects mature and grow, the need to have some omnipresent, ambient model properties quickly emerge. The application no longer has only one dynamic pieced of data on the page: A sidebar with a shopping cart, some news flash on the side – pretty common stuff. The rub is that a controller is invoked in context of a single intended request. The rest of the data, even though it could be just as dynamic, is expected to appear on it's own. There are many solutions to this scenario. MVVM prescribes creating elaborate objects which expose your new data as a property on some uber-object with more properties exposing the "side show" ambient data. The reason I don't love this approach is because it forces fairly acute awareness of the view, and soon enough you have many MVVM objects laying around, and views have to start doing null-checks in order to ensure you really supplied all the values before binding to them. Ick. Just as unattractive is the ViewData dictionary. It's not strongly typed, and in both this and the MVVM approach someone has to populate these properties – n'est pas? Where does that live? With MVC2, we get the formerly-futures feature Html.RenderAction(). The feature allows you plant a line in a view, of the format: <% Html.RenderAction("SessionInterest", "Session"); %> While this syntax looks very clean, I can't help being bothered by it. MVC was touting a very strong separation of concerns, the Model taking on the role of the business logic, the controller handling route and performing minimal view-choosing operations and the views strictly focused on rendering out angled-bracket tags. The RenderAction() syntax has the view calling some controller and invoking it inline with it's runtime rendering. This – to my taste – embeds too much knowledge of controllers into the view's code – which was allegedly forbidden. The one way flow "Controller Receive Data –> Controller invoke Model –> Controller select view –> Controller Hand data to view" now gets a "View calls controller and gets it's own data" which is not so one-way anymore. Ick. I toyed with some other solutions a bit, including some base controllers, special view classes etc. My current favorite though is making use of the ExpandoObject and dynamic features with C# 4.0. If you follow Phil Haack or read a bit from David Heyden you can see the general picture emerging. The game changer is that using the new dynamic syntax, one can sprout properties on an object and make use of them in the view. Well that beats having a bunch of uni-purpose MVVM's any day! Rather than statically exposed properties, we'll just use the capability of adding members at runtime. Armed with new ideas and syntax, I went to work: First, I created a factory method to enrich the focuse object: public static class ModelExtension { public static dynamic Decorate(this Controller controller, object mainValue) { dynamic result = new ExpandoObject(); result.Value = mainValue; result.SessionInterest = CodeCampBL.SessoinInterest(); result.TagUsage = CodeCampBL.TagUsage(); return result; } } This gives me a nice fluent way to have the controller add the rest of the ambient "side show" items (SessionInterest, TagUsage in this demo) and expose them all as the Model: public ActionResult Index() { var data = SyndicationBL.Refresh(TWEET_SOURCE_URL); dynamic result = this.Decorate(data); return View(result); } So now what remains is that my view knows to expect a dynamic object (rather than statically typed) so that the ASP.NET page compiler won't barf: <%@ Page Language="C#" Title="Ambient Demo" MasterPageFile="~/Views/Shared/Ambient.Master" Inherits="System.Web.Mvc.ViewPage<dynamic>" %> Notice the generic ViewPage<dynamic>. It doesn't work otherwise. In the page itself, Model.Value property contains the main data returned from the controller. The nice thing about this, is that the master page (Ambient.Master) also inherits from the generic ViewMasterPage<dynamic>. So rather than the page worrying about all this ambient stuff, the side bars and panels for ambient data all reside in a master page, and can be rendered using the RenderPartial() syntax: <% Html.RenderPartial("TagCloud", Model.SessionInterest as Dictionary<string, int>); %> Note here that a cast is necessary. This is because although dynamic is magic, it can't figure out what type this property is, and wants you to give it a type so its binder can figure out the right property to bind to at runtime. I use as, you can cast if you like. So there we go – no violation of MVC, no explosion of MVVM models and voila – right? Well, I could not let this go without a tweak or two more. The first thing to improve, is that some views may not need all the properties. In that case, it would be a waste of resources to populate every property. The solution to this is simple: rather than exposing properties, I change d the factory method to expose lambdas - Func<T> really. So only if and when a view accesses a member of the dynamic object does it load the data. public static class ModelExtension { // take two.. lazy loading! public static dynamic LazyDecorate(this Controller c, object mainValue) { dynamic result = new ExpandoObject(); result.Value = mainValue; result.SessionInterest = new Func<Dictionary<string, int>>(() => CodeCampBL.SessoinInterest()); result.TagUsage = new Func<Dictionary<string, int>>(() => CodeCampBL.TagUsage()); return result; } } Now that lazy loading is in place, there's really no reason not to hook up all and any possible ambient property. Go nuts! Add them all in – they won't get invoked unless used. This now requires changing the signature of usage on the ambient properties methods –adding some parenthesis to the master view: <% Html.RenderPartial("TagCloud", Model.SessionInterest() as Dictionary<string, int>); %> And, of course, the controller needs to call LazyDecorate() rather than the old Decorate(). The final touch is to introduce a convenience method to the my Controller class , so that the tedium of calling Decorate() everywhere goes away. This is done quite simply by adding a bunch of methods, matching View(object), View(string,object) signatures of the Controller class: public ActionResult Index() { var data = SyndicationBL.Refresh(TWEET_SOURCE_URL); return AmbientView(data); } //these methods can reside in a base controller for the solution: public ViewResult AmbientView(dynamic data) { dynamic result = ModelExtension.LazyDecorate(this, data); return View(result); } public ViewResult AmbientView(string viewName, dynamic data) { dynamic result = ModelExtension.LazyDecorate(this, data); return View(viewName, result); } The call to AmbientView now replaces any call the View() that requires the ambient data. DRY sattisfied, lazy loading and no need to replace core pieces of the MVC pipeline. I call this a good MVC day. Enjoy!

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